alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/SDBbot CnC Checkin"; flow:established,to_server; content:"|00 00 de c0|"; depth:4; content:"ver="; distance:0; content:"|0a|domain="; distance:0; content:"|0a|pc="; distance:0; content:"|0a|geo="; distance:0; content:"|0a|os="; distance:0; content:"|0a|rights="; distance:0; content:"|0a|proxyenabled="; distance:0; fast_pattern; content:"|0a|"; endswith; reference:md5,892be85dc60df6bc82568384e83b9b4c; classtype:command-and-control; sid:2031217; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_08, deployment Perimeter, deprecation_reason Age, malware_family SDBbot, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2023_12_21, reviewed_at 2023_12_21;)